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C02F3/24
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CHEMISTRY METALLURGY
C02
Water treatment
C02F
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02F3/00
Biological treatment of water, waste water, or sewage
Current Industry
C02F3/24
using free-fall aeration or spraying
Industries
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Patents Grants
last 30 patents
Information
Patent Grant
Water restoration system
Patent number
12,116,291
Issue date
Oct 15, 2024
Kimball Water & Energy LLC
Phyl Miller Kimball
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Regulating tank of wastewater treatment system
Patent number
10,981,803
Issue date
Apr 20, 2021
Kuan Yuan Paper Mfg. Co., Ltd.
Kuang Yuan Hsieh
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Dedekind cone valve and air infiltration system and method for hydr...
Patent number
10,975,540
Issue date
Apr 13, 2021
Cube Hydro Partners, LLC
Walter Neal Simmons
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Machine and process for providing a pressurized liquid stream with...
Patent number
10,080,998
Issue date
Sep 25, 2018
NANO GAS TECHNOLOGIES INC.
Cliffton Lee Roe
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
System and method for aeration
Patent number
9,321,667
Issue date
Apr 26, 2016
Airmaster Aerator L.L.C.
Dean A. Caldwell
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Systems and methods for wastewater treatment
Patent number
9,315,402
Issue date
Apr 19, 2016
Board of Trustees of the University of Arkansas
Gregory Scott Osborn
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
System for purifying polluted water and purification method
Patent number
9,260,327
Issue date
Feb 16, 2016
Bioner Bierzo, S.L.
Pedro Garcia Merayo
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Integrated sewage treatment plant
Patent number
8,685,235
Issue date
Apr 1, 2014
Vladimir Petrovich Kolesnikov
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Flow control systems and methods for artificial ponds
Patent number
7,731,841
Issue date
Jun 8, 2010
Irven H. Tennyson, Jr.
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for oxygenating wastewater
Patent number
7,294,278
Issue date
Nov 13, 2007
Wayne State University
J. Richard Spears
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Constructed wetlands system, treatment apparatus and method
Patent number
7,114,668
Issue date
Oct 3, 2006
Aquascape Design, Inc.
Edgar Beaulieu
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Apparatus for oxygenating wastewater
Patent number
7,008,535
Issue date
Mar 7, 2006
Wayne State University
J. Richard Spears
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Constructed wetlands system, treatment apparatus and method
Patent number
6,740,232
Issue date
May 25, 2004
Aquascape Designs, Inc.
Edgar Beaulieu
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Curtain assembly for waste treatment
Patent number
6,406,630
Issue date
Jun 18, 2002
Fungi-Gulp Pty. Ltd.
Dick Peter Henry
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Wastewater disposal system
Patent number
6,319,405
Issue date
Nov 20, 2001
Guy W. Roy
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Grease trap and method of decomposing edible oils and fats in the g...
Patent number
6,187,193
Issue date
Feb 13, 2001
Kikunori Tsukasako
Hideya Ozama
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Biological waste treatment process and apparatus
Patent number
6,153,099
Issue date
Nov 28, 2000
Smith & Loveless, Inc.
Frank G. Weis
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Aeration system
Patent number
5,514,285
Issue date
May 7, 1996
Tennessee Valley Authority
Tony A. Rizk
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Pond aerator
Patent number
5,510,022
Issue date
Apr 23, 1996
Jerry W. Mullis
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Aeration system
Patent number
5,462,657
Issue date
Oct 31, 1995
Tennessee Valley Authority
Tony A. Rizk
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Treatment of wastes
Patent number
5,397,474
Issue date
Mar 14, 1995
The University of Queensland
Peter D. Henry
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Waste water treatment system
Patent number
5,352,357
Issue date
Oct 4, 1994
Cliff R. Perry
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Low profile cascade aerator
Patent number
5,259,996
Issue date
Nov 9, 1993
Thomas H. Morgan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Sewage sludge treatment with gas injection
Patent number
5,248,419
Issue date
Sep 28, 1993
Long Enterprises
Charles A. Long
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Apparatus for improving irrigation or cleaning water and method for...
Patent number
5,227,067
Issue date
Jul 13, 1993
Eco-Soil Systems, Inc.
Larry Runyon
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Closed apparatus system for improving irrigation and method for its...
Patent number
5,227,068
Issue date
Jul 13, 1993
Eco-Soil Systems, Inc.
Larry K. Runyon
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Sewage sludge treatment with gas injection
Patent number
5,147,563
Issue date
Sep 15, 1992
Long Enterprises, Inc.
Charles A. Long
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Aquatic plant/microbial water purification system
Patent number
5,137,625
Issue date
Aug 11, 1992
Billy C. Wolverton
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Vortex desalination system
Patent number
5,078,880
Issue date
Jan 7, 1992
Water Technology Assessment Group
William R. Barry
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Sewage sludge treatment with gas injection
Patent number
4,936,983
Issue date
Jun 26, 1990
Long Enterprises, Inc.
Charles A. Long
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
Regulating Tank of Wastewater Treatment System
Publication number
20200308020
Publication date
Oct 1, 2020
Kuan Yuan Paper Mfg. Co., Ltd.
KUANG YUAN HSIEH
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
SYSTEM AND METHOD FOR AERATION
Publication number
20140076820
Publication date
Mar 20, 2014
AIRMASTER AERATOR L.L.C.
Dean A. Caldwell
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
ATOMIZING SPRAY HEADS, ATOMIZING METHODS, AND FLUID SYSTEMS OPERATI...
Publication number
20130233782
Publication date
Sep 12, 2013
BLISSFIELD MANUFACTURING COMPANY
Bruce Allen Eppink
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
Systems and Methods for Wastewater Treatment
Publication number
20120325741
Publication date
Dec 27, 2012
Gregory Scott Osborn
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Integrated sewage treatment plant
Publication number
20110163022
Publication date
Jul 7, 2011
Vladimir Petrovich Kolesnikov
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Constructed wetlands system, treatment apparatus and method
Publication number
20060144785
Publication date
Jul 6, 2006
Edgar Beaulieu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method for oxygenating wastewater
Publication number
20060054554
Publication date
Mar 16, 2006
J. Richard Spears
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Constructed wetlands system, treatment apparatus and method
Publication number
20040173523
Publication date
Sep 9, 2004
Edgar Beaulieu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...